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Matrices And Determinants

JEE Main 2021 (Online) 22th July Evening Shift

MCQ+4 / -12021
Let A = [aij] be a real matrix of order 3 \(\times\) 3, such that ai1 + ai2 + ai3 = 1, for i = 1, 2, 3. Then, the sum of all the entries of the matrix A3 is equal to :

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